CA950891A - Device for building up down-pressure on well face during drilling - Google Patents

Device for building up down-pressure on well face during drilling

Info

Publication number
CA950891A
CA950891A CA102,009,A CA102009A CA950891A CA 950891 A CA950891 A CA 950891A CA 102009 A CA102009 A CA 102009A CA 950891 A CA950891 A CA 950891A
Authority
CA
Canada
Prior art keywords
building
pressure
during drilling
face during
well face
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA102,009,A
Other versions
CA102009S (en
Inventor
Jury S. Vasiliev
Talgat N. Bikchurin
Vladimir A. Datsenko
Boris A. Vasiliev
Jury J. Nikitin
Vyacheslav M. Popov
Jury D. Semenov
Valery A. Kildibekov
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
VSESOJUZNY NAUCHNO-ISSLEDOVATELSKY INSTITUT BUROVOI TEKHNIKI
Original Assignee
VSESOJUZNY NAUCHNO-ISSLEDOVATELSKY INSTITUT BUROVOI TEKHNIKI
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from SU1391730A external-priority patent/SU324885A1/en
Application filed by VSESOJUZNY NAUCHNO-ISSLEDOVATELSKY INSTITUT BUROVOI TEKHNIKI filed Critical VSESOJUZNY NAUCHNO-ISSLEDOVATELSKY INSTITUT BUROVOI TEKHNIKI
Application granted granted Critical
Publication of CA950891A publication Critical patent/CA950891A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
CA102,009,A 1970-01-07 1971-01-05 Device for building up down-pressure on well face during drilling Expired CA950891A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU1391730A SU324885A1 (en) 1970-01-07 DRILLING COLUMN

Publications (1)

Publication Number Publication Date
CA950891A true CA950891A (en) 1974-07-09

Family

ID=20449123

Family Applications (1)

Application Number Title Priority Date Filing Date
CA102,009,A Expired CA950891A (en) 1970-01-07 1971-01-05 Device for building up down-pressure on well face during drilling

Country Status (4)

Country Link
CA (1) CA950891A (en)
DE (1) DE2100504C3 (en)
FR (1) FR2075975B1 (en)
GB (1) GB1339051A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE459514B (en) * 1984-09-06 1989-07-10 Secoroc Ab CUTTING BANDS IN CUTTING EQUIPMENT BEFORE SHOCK DRILLING
GB2293839A (en) * 1994-10-07 1996-04-10 Peter Douglas Paterson Tool for generating down hole axial force
EP2578795A1 (en) * 2011-10-05 2013-04-10 Sandvik Intellectual Property AB Damper unit and drill string system comprising such a damper unit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1598228A (en) * 1924-08-04 1926-08-31 Oscar R Wikander Spring device
FR1485711A (en) * 1966-04-22 1967-06-23 Drilco Oil Tools Elastic device for drill pipe column

Also Published As

Publication number Publication date
DE2100504A1 (en) 1971-09-30
GB1339051A (en) 1973-11-28
DE2100504C3 (en) 1973-09-27
FR2075975B1 (en) 1974-04-26
FR2075975A1 (en) 1971-10-15
DE2100504B2 (en) 1973-03-08

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